Just a heads up to you Google AdWords API users. If you are running development tests off Google’s sandbox environment, do not that it is having technical issues for the past day or two.

A Google Groups thread has confirmation of the issue by Google’s Jeff Posnick.

Jeff Posnick said:

It does not seem to be fixed yet, so just hang tight and keep watching the thread.

Forum discussion at Google Groups.

Update: It should have been back up as of 2:30pm today. Jeff updated the thread saying: